Beijing has fulfilled the treatment of nearly half of the 141 sections of polluted rivers, improving the water quality of 70 percent of the polluted rivers, according to the third quarter progress report on polluted rivers treatment released by the Beijing Water Authority on Oct. 20.

Officials said the 141 sections of polluted waters citywide are being treated, of which 70 sections have already been cleaned up. In urban areas, 57 sections have started treatment, of which 48 sections have been completed.

Work progress on water treatment varies by district. Haidian District has fulfilled its task, while Fengtai District and Shunyi District have done over 80 percent. The districts of Changping, Daxing and Fangshan have completed more than half of their assigned tasks.

Earlier this year, Beijing introduced an action plan for further stepping up treatment of water environment to monitor the water quality of the city’s 141 sections of polluted rivers stretching about 665 kilometers, which include the five boundary rivers surrounding the city.

Based on the handbook of polluted urban rivers treatment, authorities are conducting monitoring and evaluation on the indexes of transparency, dissolved oxygen, oxidation reduction potential, and ammonia nitrogen at each section.

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